Daikin CTKC15QVM4 Manual de usuario

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Inverter / Non-Inverter

Wall Mounted Type

1.5/2.0/2.5/3.5/4.2/5.0 kW Class

9000/12000/15000/18000 Btu/h Class

Si041551EB

Service Manual

Removal Procedure

Indoor Unit

zCooling Only

CTKC15QVM4

CTKC20QVM4

CTKM25PV14

CTKM35PV14

CTKM42PV14

CTKM50PV14

CTKM09PV2S

CTKM12PV2S

CTKM15PV2S

CTKM18PV2S

CTKS25QVM

CTKS35QVM

CTV25PV1G

CTV35PV1G

CTV50PV1G

FTKC09QV2S

FTKC12QV2S

FTKC25QVM

FTKC35QVM

FTKC25QVM4

FTKC35QVM4

FTKC25QVMV

FTKC35QVMV

FTKM25PVM

FTKM35PVM

FTKM42PVM

FTKM50PVM

Si041551EB

Removal Procedure 1

Table of Contents

1. Air Filters / Front Panel ...........................................................................2

2. Front Grille ..............................................................................................3

3. Horizontal Blade......................................................................................4

4. Electrical Box ..........................................................................................5

5. PCBs .......................................................................................................8

6. Drain Pan / Swing Motors / Vertical Blade ASSYs................................12

7. Indoor Heat Exchanger .........................................................................16

8. Fan Rotor / Fan Motor...........................................................................18

Note: The illustrations may be slightly different depending on the model.

Air Filters / Front Panel Si041551EB

2Removal Procedure

1. Air Filters / Front Panel

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before

disassembling work.

Step Procedure Points

1. Remove the air filters. The air filter is not marked

for difference between the

right and left sides.

When reassembling, insert

the air filter along the guides.

Insert the air filter with the

“FRONT” mark faced up.

Be sure to insert the 2 hooks

when installing the air filter.

Open the front panel.

Unfasten the 2 hooks

and pull out the air filter.

2. Remove the front panel.

1 Release the left and

right shafts.

2 Remove the front panel. When reassembling the front

panel, fit the right and left

shafts one by one into the

grooves and fully push them

in position.

Front panel

Hook Air filter

(R21000)

Left

(R23389)

Right

(R23390)

Front panel

(R21003)

Si041551EB Front Grille

Removal Procedure 3

2. Front Grille

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before

disassembling work.

Step Procedure Points

1 Remove the 2 screws

of the front grille.

Unfasten the 3 hooks at

the top.

Pull out the upper part

of the front grille, lift up

the lower part, and then

remove the front grille.

The convex marks (…) on

the front panel indicate the

position of the hooks.

When reassembling, make

sure that all the 3 hooks are

fastened.

Front grille

(R21004)

Hook

(R21005)

(R12715)

Horizontal Blade Si041551EB

4Removal Procedure

3. Horizontal Blade

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before

disassembling work.

Step Procedure Points

1 Release the center

shaft while bending the

horizontal blade

slightly.

Reassembling procedure

1. Fit the horizontal blade to the

right shaft first. Make sure to

rotate the horizontal blade so

the shaft fits correctly.

2. Fit the horizontal blade to the

center and left shafts.

Release the left shaft.

Release the right shaft.

4 Remove the horizontal

blade.

Horizontal blade

(R22051)

Shaft

(R21007)

Shaft

Left

(R21008)

Shaft

Right

(R23391)

Horizontal blade (R22052)

Si041551EB Electrical Box

Removal Procedure 5

4. Electrical Box

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before

disassembling work.

Step Procedure Points

1. Disconnect the

connecting wire.

Service cover can be

removed without removing

the front grille.

There is no hook at the top

of the service cover. Be

careful not to drop it when

the screw is loosened.

1 Remove the screw, and

then the service cover.

Remove the screw,

unfasten the hook and

remove the wire fixture.

Remove the 4 screws

of the terminal board

and disconnect the

connecting wire.

When reassembling, be sure

to fasten the hook before

tightening the screw.

2. Remove the electrical

box.

When reassembling, be sure

to insert the earth/ground

wire in the front slit and

under the thermistor

harness.

Remove the screw and

detach the earth/ground

wire.

Release the earth/

ground wire from the

front slit at the top of the

electrical box.

Service cover

(R22053)

Connecting

wire

Wire fixture

Hook

Terminal

board

(R22054) Hook (R22055)

Electrical

box

Earth/ground wire Front slit

(R24241)

Front slit Thermistor

harness

Earth/ground wire (R24242)

Electrical Box Si041551EB

6Removal Procedure

3 Pull out the indoor heat

exchanger thermistor.

Be careful not to lose the clip

of the thermistor.

The position of the indoor

heat exchanger thermistor

varies depending on the

model.

4 Unfasten the 4 hooks

and remove the

electrical box cover.

When reassembling, make

sure that the 4 hooks are

securely fastened.

Disconnect the

connector [S6].

Release the harnesses

from the 5 hooks.

[S6]: swing motor for horizontal

blade

Step Procedure Points

Indoor heat exchanger thermistor (R22058)

(R11268)

Clip

Hook

Electrical box

cover

(R22059)

[S6]

Hook Hook

(R24243)

Si041551EB Electrical Box

Removal Procedure 7

Disconnect the

connector [S11].

Release the harnesses

from the 5 hooks.

[S11]: swing motor for vertical

blades

Some models do not have

the harness for [S11].

Disconnect the

connector [S200].

Release the harnesses

from the 5 hooks.

[S200]: fan motor

Remove the screw of

the electrical box.

Slightly lift the electrical

box upward and

remove it.

When reassembling, make

sure to fasten the hook at the

front of the electrical box.

When reassembling, make

sure that the 2 hooks are

securely fastened to the

bottom frame.

Step Procedure Points

[S11]

Hook Hook

(R24244)

Hook

[S200]

Hook

(R23393)

Electrical box

(R22063) Hook

(R22064)

Hook

Hook Bottom frame

(R22065)

PCBs Si041551EB

8Removal Procedure

5. PCBs

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before

disassembling work.

Step Procedure Points

1. Remove the control PCB. [S26]: display/signal receiver

PCB

Remove the connector

[S26].

Release the harnesses

from the 3 hooks and

the slit.

3 Disconnect all the 5

terminals.

4 Release the earth/

ground wire (yellow/

green) from the slit and

the groove.

[S26]

Hook

Slit

Hook

(R22066)

White RedBlack Earth/ground (yellow/green)

Earth/ground

(green)

(R22067)

123

FRONT

Black Red

Earth/ground (green)

Earth/ground

(yellow/green)

White

(R22265)

Slit

Earth/ground

wire

(yellow/green)

Groove

(R22069)

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